TM 10-1670-272-23&P 0018 000018 00-3/(4 Blank) d. Position the webbing on the damaged area. Use a medium-duty sewing machine and size E, nylon thread to stitch. Sew the webbing in place with four continuous rows of stitching, and 7 to 11 stitches per inch. Overstitch the ends of the webbing 2-inches. e. Reposition the apex/vent lines and sew them in place according to the original construction. END OF WORK PACKAGE